package com.khiker.tree.binary_tree;

public class P100_IsSameTree {
	public boolean isSameTree(TreeNode p, TreeNode q) {
		if (p == null ^ q == null) {
			return false;
		}
		if (p == null && q == null) {
			return true;
		}
		return p.val == q.val && isSameTree(p.left, q.left) && isSameTree(p.right, q.right);
	}
}
